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Getting Python error “from: can't read /var/mail/Bio”
...ntally, from is the name of a command line utility which prints names of those who have sent mail to the given username, so that's why it tries to access the mailboxes).
Another possibility is to add the following line to the top of the script:
#!/usr/bin/env python
This will instruct your shell...
How to view files in binary from bash?
...
...and it's preinstalled on Mac OS X and on Linux.
– Sridhar Sarnobat
Sep 5 '17 at 22:36
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unable to start mongodb local server
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There is no service command on OS X. If you have mongo installed via homebrew you can use brew services. (via unix.stackexchange.com/questions/155715/…)
– Charlie Stanard
Sep 25 '16 at 19:28
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Installing R with Homebrew
...'s just brew install r. See @Andrew's answer below.
As of 2014 (using an Yosemite), the method is the following:
brew tap homebrew/science
brew install Caskroom/cask/xquartz
brew install r
The gcc package (will be installed automatically as a required dependency) in the homebrew/science tap alre...
What is the Windows version of cron? [closed]
...r command-line usage, you can schedule with the AT command.
For newer Microsoft OS versions, Windows Server 2012 / Windows 8, look at the schtasks command line utility.
If using PowerShell, the Scheduled Tasks Cmdlets in Windows PowerShell are made for scripting.
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Eclipse comment/uncomment shortcut?
... + / after selecting the lines you want to comment in java editor.
On Mac/OS X you can use ⌘ + / to comment out single lines or selected blocks.
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实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...器的结果返回给客户端，这在很大程度上提高了整个应用系统的性能。
二、Nginx+FastCGI运行原理
Nginx不支持对外部程序的直接调用或者解析，所有的外部程序（包括PHP）必须通过FastCGI接口来调用。FastCGI接口在Linux下是socket，（...
Android - Emulator in landscape mode, screen does not rotate
...) the emulator rotates the screen to landscape orientation but the Android OS and none of the apps rotate. So everything is sitting sideways. Is there something in the AVD configuration that needs to be set in order for the device to rotate properly?
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【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...地有计划地开和关，而且开的时间非常短，从而大大降低系统功耗并大大提高系统效率。现在我们看看连接状态下是如何把数据0x53发送出去的，从中大家可以体会到蓝牙协议栈分层的妙处。对开发者来说，很简单，他只需要调...
How to create a GUID/UUID using iOS
... (__bridge NSString *)string;
}
EDIT: Jan, 29 2014:
If you're targeting iOS 6 or later, you can now use the much simpler method:
NSString *UUID = [[NSUUID UUID] UUIDString];
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